Simplify

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Listen here for more about how to use this page.

Reading and Recognizing the "Sign-Sign" Phenomenon

  • Watch this Video to understand what Mr. Vizza means by the "Sign Sign" Phenomenon.


  • Try these Flashcards to help you learn to RECOGNIZE the Sign Sign Phenomenon.

Sign Sign
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  • Try these Flashcards to help you learn to REWRITE the Sign Sign Phenomenon.
Sign Sign 2
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  • Try this Quiz. It is a Google Form. Feel free to work on scratch paper while doing it. I will be able to email you your results.
Listen to this before you go on

Addition and Subtraction of Integers

  • Watch this video on using the SAME DIFFERENT Method to add and subtract integers.


  • Try these Flashcards to help you learn to recognize whether problems have same signs or different signs and how that will affect your answer.

  • Worksheets on Addition and Subtraction of Integers

Addition and Subtraction of Integers
Version 1
 Addition and Subtraction of Integers
Version 2
 Addition and Subtraction of Integers
Version 3
add_sub_int_1_v1.pdf
add_sub_int_1_v2.pdf
add_sub_int_1_v3.pdf
Check your answer on the above worksheets using your calculator. MAKE SURE THAT YOU ELIMINATED THE SIGN SIGN phenomenon in your writing.

  • Take this Quiz on same or different. Drop me an email through the wiki when you take it so I can grade it.
  • Coming Soon
    • Multiplication Integers
    • Absolute value